Peak torque
Part A140 Nm124 Nm higher
Part B16 Nm
Part comparison
maxon HEJ 90 vs mjbots qdd100 beta 3
A side-by-side comparison of source-backed specifications within the same subcategory.
11 shared specs1 scored
Directional spec summary
Counts across 1 numeric specifications with a clear higher-or-lower direction.
Part A leads
1
Tied
0
Part B leads
0
These are metric-by-metric differences, not an overall performance score. Check the values below.
Specifications
11 specifications compared side by side.
| Compare bySpecification | Amaxonmaxon HEJ 90 | Bmjbotsmjbots qdd100 beta 3 |
|---|---|---|
| Performance1 | ||
| Peak torque | 140 Nm124 Nm higher | 16 Nm |
| Electrical1 | ||
| Nominal voltageUse-dependent | 48 V | 24 V |
| Mechanical & integration6 | ||
| Motor kind | QDD actuator | QDD actuator |
| Drive principle | BLDC/PMSM | BLDC/PMSM |
| Architecture | Integrated motor reducer driver | Integrated motor reducer driver |
| QDD | Yes | Yes |
| Integrated driver | Yes | Yes |
| Recommended joint use | robot joint | robot joint |
| Control & communication3 | ||
| EncoderUse-dependent | integrated absolute | magnetic |
| Communication interfaces | CAN | CAN |
| Control modes | position;velocity;torque | position;velocity;torque |
Amaxonmaxon HEJ 90
Bmjbotsmjbots qdd100 beta 3
Performance1
Electrical1
Nominal voltageUse-dependent
Part A48 V
Part B24 V
Mechanical & integration6
Motor kind
Part AQDD actuator
Part BQDD actuator
Drive principle
Part ABLDC/PMSM
Part BBLDC/PMSM
Architecture
Part AIntegrated motor reducer driver
Part BIntegrated motor reducer driver
QDD
Part AYes
Part BYes
Integrated driver
Part AYes
Part BYes
Recommended joint use
Part Arobot joint
Part Brobot joint
Control & communication3
EncoderUse-dependent
Part Aintegrated absolute
Part Bmagnetic
Communication interfaces
Part ACAN
Part BCAN
Control modes
Part Aposition;velocity;torque
Part Bposition;velocity;torque
Product sources
Product sources used by this comparison
maxon HEJ 90Open source ↗
mjbots qdd100 beta 3Open source ↗